---> uname -a: Linux 0bd3f8473dce 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 x86_64 Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 40 bits physical, 48 bits virtual CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 44 Model name: Westmere E56xx/L56xx/X56xx (IBRS update) Stepping: 1 CPU MHz: 2933.436 BogoMIPS: 5866.87 Virtualization: VT-x Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB L1i cache: 128 KiB L2 cache: 16 MiB L3 cache: 64 MiB NUMA node0 CPU(s): 0-3 Vulnerability Itlb multihit: KVM: Mitigation: Split huge pages Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT disabled Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline, IBPB Vulnerability Tsx async abort: Not affected Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology eagerfpu pni pclmulqdq vmx ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes hypervisor lahf_lm ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid tsc_adjust arat spec_ctrl intel_stibp ---> nproc: 4 ---> df -h: Filesystem Size Used Available Use% Mounted on overlay 50.0G 7.3G 42.7G 15% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 918.7M 0 918.7M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 7.3G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-387 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-387@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 671 115 0 1050 1060 Swap: 1023 1 1022 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 6: eth0@if7: mtu 1458 qdisc noqueue state UP link/ether 02:42:0a:fa:00:01 brd ff:ff:ff:ff:ff:ff inet 10.250.0.1/24 brd 10.250.0.255 scope global eth0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 07/20/20 _x86_64_ (4 CPU) 23:46:12 LINUX RESTART 23:47:01 tps rtps wtps bread/s bwrtn/s 23:48:01 32.51 11.14 21.38 4544.83 3294.71 23:49:01 1.60 0.00 1.60 0.00 30.35 23:50:01 0.43 0.00 0.43 0.00 6.51 23:51:01 0.25 0.00 0.25 0.00 2.70 Average: 8.70 2.79 5.92 1136.54 833.81 23:47:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:48:01 212504 1669052 88.71 2620 1093524 1120776 38.25 408092 1101524 20 23:49:01 217796 1663760 88.42 2620 1093528 1080256 36.87 409016 1096724 16 23:50:01 215448 1666108 88.55 2620 1093536 1080244 36.87 411248 1096680 12 23:51:01 213684 1667872 88.64 2620 1093536 1080320 36.87 415324 1094388 16 Average: 214858 1666698 88.58 2620 1093531 1090399 37.21 410920 1097329 16 23:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:48:01 eth0 259.46 197.19 660.32 351.82 0.00 0.00 0.00 23:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:48:01 docker0 97.29 93.31 8.68 303.39 0.00 0.00 0.00 23:49:01 eth0 2.13 0.52 0.63 0.36 0.00 0.00 0.00 23:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:01 eth0 0.73 0.35 0.30 0.23 0.00 0.00 0.00 23:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 eth0 0.48 0.25 0.27 0.16 0.00 0.00 0.00 23:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 65.72 49.59 165.43 88.17 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 24.33 23.33 2.17 75.87 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 07/20/20 _x86_64_ (4 CPU) 23:46:12 LINUX RESTART 23:47:01 CPU %user %nice %system %iowait %steal %idle 23:48:01 all 4.77 0.00 2.15 0.80 0.21 92.07 23:48:01 0 4.24 0.00 1.90 0.47 0.22 93.17 23:48:01 1 4.21 0.00 2.35 2.08 0.25 91.12 23:48:01 2 4.48 0.00 2.26 0.49 0.20 92.57 23:48:01 3 6.17 0.00 2.11 0.17 0.18 91.37 23:49:01 all 0.17 0.00 0.04 0.00 0.01 99.78 23:49:01 0 0.52 0.00 0.03 0.00 0.02 99.43 23:49:01 1 0.07 0.00 0.05 0.00 0.00 99.88 23:49:01 2 0.03 0.00 0.03 0.00 0.02 99.92 23:49:01 3 0.03 0.00 0.03 0.00 0.02 99.92 23:50:01 all 0.14 0.00 0.03 0.00 0.00 99.83 23:50:01 0 0.47 0.00 0.02 0.00 0.00 99.52 23:50:01 1 0.03 0.00 0.02 0.00 0.00 99.95 23:50:01 2 0.03 0.00 0.05 0.00 0.00 99.92 23:50:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:51:01 all 0.16 0.00 0.03 0.00 0.00 99.80 23:51:01 0 0.55 0.00 0.02 0.00 0.00 99.43 23:51:01 1 0.03 0.00 0.03 0.00 0.00 99.93 23:51:01 2 0.02 0.00 0.02 0.00 0.00 99.97 23:51:01 3 0.05 0.00 0.05 0.00 0.02 99.88 Average: all 1.30 0.00 0.56 0.20 0.06 97.88 Average: 0 1.44 0.00 0.49 0.12 0.06 97.90 Average: 1 1.08 0.00 0.61 0.52 0.06 97.73 Average: 2 1.13 0.00 0.59 0.12 0.05 98.10 Average: 3 1.57 0.00 0.56 0.04 0.05 97.78